Home / 234,142.13-323,116.17-126,712.19

Finding the Fourth Proportional to 234,142.13, 323,116.17 and 126,712.19

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Solution

The fourth proportional to 234,142.13, 323,116.17 and 126,712.19 is: 174,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,142.13 : 323,116.17 = 126,712.19 : x
  2. Step 2: Convert to fraction form
    234,142.13/323,116.17 = 126,712.19/x
  3. Step 3: Cross multiply
    234,142.13x = 323,116.17 × 126,712.19
  4. Step 4: Simplify right side
    234,142.13x = 40,942,757,525.11
  5. Step 5: Solve for x
    x = 40,942,757,525.11/234,142.13
  6. Step 6: Final answer
    x = 174,862.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.